The United States Naval Academy plays host to the Navy Invitational Tournament, a competitive water polo event offering play in various age groups, on Aug. 24-25.
Play will take place at the US Naval Academy- Scott Natatorium in Annapolis (Anne Arundel County), Maryland.
The website for the event can be found here.
Navy Water Polo, which fields highly competitive teams (having held multiple Eastern Division and NCAA championships) has a full schedule of events. Information is available here.